/**
* 显示消息提示框
* @param content 提示的标题
*/
export function toast(content) {
  uni.showToast({
    icon: 'none',
    title: content
  })
}

/**
* 显示模态弹窗
* @param content 提示的标题
*/
export function showConfirm(content) {
  return new Promise((resolve, reject) => {
    uni.showModal({
      title: '提示',
      content: content,
      cancelText: '取消',
      confirmText: '确定',
      success: function(res) {
        resolve(res)
      }
    })
  })
}

/**
* 参数处理
* @param params 参数
*/
export function tansParams(params) {
  let result = ''
  console.log('params',params)
  for (const propName of Object.keys(params)) {
    const value = params[propName]
    var part = encodeURIComponent(propName) + "="
    if (value !== null && value !== "" && typeof (value) !== "undefined") {
      if (typeof value === 'object') {
        for (const key of Object.keys(value)) {
          if (value[key] !== null && value[key] !== "" && typeof (value[key]) !== 'undefined') {
            let params = propName + '[' + key + ']'
            var subPart = encodeURIComponent(params) + "="
            result += subPart + encodeURIComponent(value[key]) + "&"
          }
        }
      } else {
        result += part + encodeURIComponent(value) + "&"
      }
    }
  }
  return result
}

/**
 * 获取页面参数 
 */
export const getUrlParams = (key) => {
	let reg = new RegExp("(^|&)" + key + "=([^&]*)(&|$)");
	let r = window.location.search.substr(1).match(reg);
	if (r != null) return unescape(r[2]);
	return null;
}

/**
 * 获取hash页面参数 
 */
export const getQueryVariable = (variable) => {
  const after = window.location.hash.split('?', 2)[1]
  if (after) {
	const reg = new RegExp('(^|&)' + variable + '=([^&]*)(&|$)')
	const r = after.match(reg)
	if (r != null) {
	  return decodeURIComponent(r[2])
	} else {
	  return false
	}
  }
}

// 字符长度 中文占两个字符
export function strlen(str){
    var len = 0;
    for (var i=0; i<str.length; i++) { 
    　　var c = str.charCodeAt(i); 
    　　//单字节加1 
    　　if ((c >= 0x0001 && c <= 0x007e) || (0xff60<=c && c<=0xff9f)) { 
       　　len++; 
    　　} else { 
      　　 len+=2; 
    　　}
    } 
    return len;
}